Home / 52,929.97-73,040.68-31,420.64

Finding the Fourth Proportional to 52,929.97, 73,040.68 and 31,420.64

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Solution

The fourth proportional to 52,929.97, 73,040.68 and 31,420.64 is: 43,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,929.97 : 73,040.68 = 31,420.64 : x
  2. Step 2: Convert to fraction form
    52,929.97/73,040.68 = 31,420.64/x
  3. Step 3: Cross multiply
    52,929.97x = 73,040.68 × 31,420.64
  4. Step 4: Simplify right side
    52,929.97x = 2,294,984,389.33
  5. Step 5: Solve for x
    x = 2,294,984,389.33/52,929.97
  6. Step 6: Final answer
    x = 43,358.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.